4966640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 13540800

約数和(自身を除く): 8574160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 181, 196, 245, 280, 343, 362, 392, 490, 560, 686, 724, 784, 905, 980, 1267, 1372, 1448, 1715, 1810, 1960, 2534, 2744, 2896, 3430, 3620, 3920, 5068, 5488, 6335, 6860, 7240, 8869, 10136, 12670, 13720, 14480, 17738, 20272, 25340, 27440, 35476, 44345, 50680, 62083, 70952, 88690, 101360, 124166, 141904, 177380, 248332, 310415, 354760, 496664, 620830, 709520, 993328, 1241660, 2483320, 4966640]

約数ペア:

[(1, 4966640), (2, 2483320), (4, 1241660), (5, 993328), (7, 709520), (8, 620830), (10, 496664), (14, 354760), (16, 310415), (20, 248332), (28, 177380), (35, 141904), (40, 124166), (49, 101360), (56, 88690), (70, 70952), (80, 62083), (98, 50680), (112, 44345), (140, 35476), (181, 27440), (196, 25340), (245, 20272), (280, 17738), (343, 14480), (362, 13720), (392, 12670), (490, 10136), (560, 8869), (686, 7240), (724, 6860), (784, 6335), (905, 5488), (980, 5068), (1267, 3920), (1372, 3620), (1448, 3430), (1715, 2896), (1810, 2744), (1960, 2534)]